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US Patent: 1,651,382
Grinding machine
Patentees:
Edward B. Gardner (exact or similar names) - Beloit, WI
John Nielsen (exact or similar names) - Beloit, WI
Ralph D. Gardner (exact or similar names) - Beloit, WI

USPTO Classifications:
451/269, 451/292

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 06, 1924
Granted: Dec. 06, 1927

Patent Pictures:
USPTO (New site tip)
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